1. 给 ISeedDataInitializer 添加一个 EntityType 属性 #179

2. 在种子数据初始化的时候筛选出当前上下文的种子数据初始化器进行初始化 #179

src/OSharp.EntityFrameworkCore/MigrationPackBase.cs

@@ -8,6 +8,7 @@
 // -----------------------------------------------------------------------
 
 using System;
+using System.Collections.Generic;
 using System.Linq;
 
 using Microsoft.EntityFrameworkCore;
@@ -62,8 +63,11 @@ public override void UsePack(IServiceProvider provider)
                 }
             }
 
-            //种子数据
-            var seedDataInitializers = provider.GetServices<ISeedDataInitializer>().OrderBy(m => m.Order);
+            //初始化种子数据，只初始化当前上下文的种子数据
+            IEntityManager entityManager = provider.GetService<IEntityManager>();
+            Type[] entityTypes = entityManager.GetEntityRegisters(typeof(TDbContext)).Select(m => m.EntityType).Distinct().ToArray();
+            IEnumerable<ISeedDataInitializer> seedDataInitializers = provider.GetServices<ISeedDataInitializer>()
+                .Where(m => entityTypes.Contains(m.EntityType)).OrderBy(m => m.Order);
             foreach (ISeedDataInitializer initializer in seedDataInitializers)
             {
                 initializer.Initialize();

src/OSharp/Entity/ISeedDataInitializer.cs

@@ -7,6 +7,8 @@
 //  <last-date>2020-03-06 21:36</last-date>
 // -----------------------------------------------------------------------
 
+using System;
+
 using OSharp.Dependency;
 
 
@@ -23,6 +25,11 @@ public interface ISeedDataInitializer
         /// </summary>
         int Order { get; }
 
+        /// <summary>
+        /// 获取 所属实体类型
+        /// </summary>
+        Type EntityType { get; }
+
         /// <summary>
         /// 初始化种子数据
         /// </summary>

src/OSharp/Entity/SeedDataInitializerBase.cs

@@ -40,6 +40,11 @@ protected SeedDataInitializerBase(IServiceProvider rootProvider)
         /// </summary>
         public virtual int Order => 0;
 
+        /// <summary>
+        /// 获取 所属实体类型
+        /// </summary>
+        public Type EntityType => typeof(TEntity);
+
         /// <summary>
         /// 初始化种子数据
         /// </summary>